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introduction
In the fields of large rotating machinery, bridges, subways, processing machine tools, etc., the collection and analysis of vibration signals can realize multiple functions such a...[Details]
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This article takes the radiation emission test as an example, and discusses in detail the impact of spectrum analyzer on EMI test speed based on the analysis of the test process. Choosing a suitable s...[Details]
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On the evening of February 24, AMEC released its full-year performance report for 2020. During the reporting period, the company achieved operating income of 2.273 billion yuan, an increase of 16.76%...[Details]
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Toyota announced the results of its research on the manufacturing process of polymer electrolyte fuel cells (PEFC) electrodes at the 20th Fuel Cell Society of Japan (held at Funabori Tower Hall, ...[Details]
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Shanghai continues to increase its support for the integrated circuit industry and software industry. On January 19, the Shanghai Municipal People's Government issued the "Notice of the Shanghai Muni...[Details]
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There are often situations where you want to block certain frequency signals, the most common of which is the 50Hz or 60Hz power line frequency. The PLL notch filter in Figure 1 can be used to block ...[Details]
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I set up a surveillance project, laid the cables, and installed the front-end cameras. But when I turned on the power, the image did not appear. I eliminated the power supply, cables, settings, and o...[Details]
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"Electric vehicle manufacturers that are still producing on a small scale will give up during the market contraction. The epidemic will accelerate their demise," said an industry investor. China's ...[Details]
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Xiaomi’s three new models passed the radio approval of the Ministry of Industry and Information Technology today. Their model numbers are 2203121C, 2206123SC, and 2206122SC. According to previous rep...[Details]
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1 Introduction The principle of metal cutting is a technical science that studies the laws of metal cutting. The cutting of metal materials is to use a tool with a harderness higher than that of the ...[Details]
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O Introduction
In the field of microelectronic devices, there are many studies on SiC devices, and great progress has been made. However, in the field of MEMS, there are still many problem...[Details]
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Recently, the 2021 China-Germany Automotive Conference was grandly opened in Jilin. As a representative of cylindrical battery companies, one of the mainstream technical routes of new energy power ba...[Details]
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With the promotion and popularity of "low-carbon" and "environmentally friendly" lifestyles, "energy conservation and emission reduction" has increasingly become an important criterion for people t...[Details]
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In the era of artificial intelligence, every individual is a single existence, and at the same time, every individual also owns each other. The Internet of Things connects devices to each other, form...[Details]
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Both car companies and consumers are looking forward to the arrival of all-solid-state batteries, because solid-state batteries can solve the "pain points" of electric vehicles, such as "range anxi...[Details]
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